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EN 1.3961 Alloy vs. S82031 Stainless Steel

Both EN 1.3961 alloy and S82031 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3961 alloy and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
39
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 300
540
Tensile Strength: Ultimate (UTS), MPa 450
780
Tensile Strength: Yield (Proof), MPa 310
570

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 66
39
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
280
Resilience: Unit (Modulus of Resilience), kJ/m3 250
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
28
Strength to Weight: Bending, points 16
24
Thermal Shock Resistance, points 130
22

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 0 to 0.25
19 to 22
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 60.7 to 65
68 to 78.3
Manganese (Mn), % 0 to 0.5
0 to 2.5
Molybdenum (Mo), % 0 to 1.0
0.6 to 1.4
Nickel (Ni), % 35 to 37
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.0050